Arc-welding uses following electric supply All Questions › Category: Basic Electrical › Arc-welding uses following electric supply 4 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) A.C.b) D.C.c) Both AC and DCd) Spiral waveform 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is Both AC and DC